From fff0017c42ceb01dd1f53f8e514bab969579b642 Mon Sep 17 00:00:00 2001 From: Christopher Baines Date: Wed, 15 May 2024 18:39:17 +0100 Subject: Use threads for reading derivations As it is quite slow on bayfront at least. --- guix-build-coordinator/coordinator.scm | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/guix-build-coordinator/coordinator.scm b/guix-build-coordinator/coordinator.scm index 091c821..34b05c9 100644 --- a/guix-build-coordinator/coordinator.scm +++ b/guix-build-coordinator/coordinator.scm @@ -628,12 +628,19 @@ (derivation (if derivation-exists-in-database? #f ; unnecessary to fetch derivation - (with-fibers-port-timeouts - (lambda () - (call-with-delay-logging read-drv - #:threshold 10 - #:args (list derivation-file))) - #:timeout 240))) + ;; Bit of a hack, but offload reading the derivation to a + ;; thread so that it doesn't block the fibers thread, since + ;; local I/O doesn't cooperate with fibers + (datastore-call-with-transaction + datastore + (lambda _ + (with-fibers-port-timeouts + (lambda () + (call-with-delay-logging read-drv + #:threshold 10 + #:args (list derivation-file))) + #:timeout 240)) + #:readonly? #t))) (system (or system-from-database -- cgit v1.2.3